NIH-funded research R01 grant

Understanding how gut bacteria produce tiny vesicles

Official title: Biogenesis of outer membrane vesicles in human gut bacteria

Funded at Washington University · NIH-10997408 · Data updated 2026-11-12

This study is looking at tiny bubbles made by gut bacteria called Bacteroides, which are important for keeping our gut healthy and supporting our immune system, to learn more about how they are made and how they might affect our health.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionWashington University
NIH-funded
Lab location1 site (Saint Louis, United States)
Project startDecember 8, 2023
Project endOctober 31, 2028
Funding year2025
Award (this year)$733,521
NIH project number5R01AI181213-02
Project IDNIH-10997408 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are individuals with gastrointestinal conditions or those interested in gut microbiota health.

Less likely to help

Patients with no gastrointestinal issues or those not interested in gut health may not benefit from this research.

What this research studies

This research investigates the production of outer membrane vesicles (OMVs) by Bacteroides, a common type of bacteria in the human gut. These vesicles play important roles in gut health and immune system development. The study uses advanced molecular tools to differentiate between genuine vesicles and byproducts from bacterial cell lysis, aiming to identify the genes responsible for vesicle formation. By understanding this process, researchers hope to uncover how these vesicles contribute to health and disease.

Why it matters

Potential benefit: If successful, this research could lead to new insights into gut health and potential therapies for related diseases.

How similar studies have gone: Other research has shown promise in understanding bacterial vesicle production, but this specific approach is relatively novel.

Where this research is happening

  • Washington University
    Saint Louis, United States
    Active

Researchers

  • Principal investigator: Feldman, Mario — Washington University
  • Study coordinator: Feldman, Mario

Related research

Other NIH-funded projects on the same topics.

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.